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what are the number of triangles which can be formed by joining three angular points of a quindecagon????

what are the number of triangles which can be formed by joining three angular points of a quindecagon????

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1 Answers

Badiuddin askIITians.ismu Expert
147 Points
11 years ago

Dear neeraj

Solution:

we have to select three point for each triangle ,thus the required number is

        = 15C3  = 455

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